arch/arm/include/asm/therm.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * arch/arm/include/asm/therm.h: Definitions for Dallas Semiconductor
   4  *  DS1620 thermometer driver (as used in the Rebel.com NetWinder)
   5  */
   6 #ifndef __ASM_THERM_H
   7 #define __ASM_THERM_H
   8
   9 /* ioctl numbers for /dev/therm */
  10 #define CMD_SET_THERMOSTATE     0x53
  11 #define CMD_GET_THERMOSTATE     0x54
  12 #define CMD_GET_STATUS          0x56
  13 #define CMD_GET_TEMPERATURE     0x57
  14 #define CMD_SET_THERMOSTATE2    0x58
  15 #define CMD_GET_THERMOSTATE2    0x59
  16 #define CMD_GET_TEMPERATURE2    0x5a
  17 #define CMD_GET_FAN             0x5b
  18 #define CMD_SET_FAN             0x5c
  19
  20 #define FAN_OFF                 0
  21 #define FAN_ON                  1
  22 #define FAN_ALWAYS_ON           2
  23
  24 struct therm {
  25         int hi;
  26         int lo;
  27 };
  28
  29 #endif